So the Doomsday Clock, it’s a symbol, it’s an actual clock, and it’s set at a given time. So right now it’s 89 seconds to midnight and it’s supposed to represent how close we are to ...

Top nuclear experts gathered in Chicago to offer world leaders a playbook for reducing the risk of nuclear war.

Jan. 14, 2010 -- Is humanity approaching an apocalypse? Today, a group of international scientists will move the hands of the symbolic "Doomsday Clock" for the first time in two years.

Earlier this year, the Bulletin of the Atomic Scientists announced that it was moving the hands of the Doomsday Clock to 89 seconds before midnight, a symbolic hour signifying global catastrophe. The ...